EP2420868A3 - Articles de diffusion de lumière - Google Patents

Articles de diffusion de lumière Download PDF

Info

Publication number
EP2420868A3
EP2420868A3 EP11175394A EP11175394A EP2420868A3 EP 2420868 A3 EP2420868 A3 EP 2420868A3 EP 11175394 A EP11175394 A EP 11175394A EP 11175394 A EP11175394 A EP 11175394A EP 2420868 A3 EP2420868 A3 EP 2420868A3
Authority
EP
European Patent Office
Prior art keywords
light diffusing
diffusing articles
articles
lens particles
particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11175394A
Other languages
German (de)
English (en)
Other versions
EP2420868A2 (fr
Inventor
Edward E. Lafleur
Edwin H. Nungesser
Jiun-Chen Wu
Didier Debier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rohm and Haas Co filed Critical Rohm and Haas Co
Publication of EP2420868A2 publication Critical patent/EP2420868A2/fr
Publication of EP2420868A3 publication Critical patent/EP2420868A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/60—Projection screens characterised by the nature of the surface
    • G03B21/62—Translucent screens
    • G03B21/625—Lenticular translucent screens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504—Diffusing, scattering, diffracting elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Liquid Crystal (AREA)
  • Graft Or Block Polymers (AREA)
EP11175394A 2007-10-16 2008-10-15 Articles de diffusion de lumière Withdrawn EP2420868A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US99909307P 2007-10-16 2007-10-16
US12/286,156 US7768602B2 (en) 2007-10-16 2008-09-29 Light diffusing article with GRIN lenses
EP08166696A EP2051112A3 (fr) 2007-10-16 2008-10-15 Articles de diffusion de lumière

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP08166696.8 Division 2008-10-15
EP08166696 Previously-Filed-Application 2008-10-15

Publications (2)

Publication Number Publication Date
EP2420868A2 EP2420868A2 (fr) 2012-02-22
EP2420868A3 true EP2420868A3 (fr) 2012-07-04

Family

ID=40297793

Family Applications (2)

Application Number Title Priority Date Filing Date
EP08166696A Withdrawn EP2051112A3 (fr) 2007-10-16 2008-10-15 Articles de diffusion de lumière
EP11175394A Withdrawn EP2420868A3 (fr) 2007-10-16 2008-10-15 Articles de diffusion de lumière

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP08166696A Withdrawn EP2051112A3 (fr) 2007-10-16 2008-10-15 Articles de diffusion de lumière

Country Status (6)

Country Link
US (1) US7768602B2 (fr)
EP (2) EP2051112A3 (fr)
JP (1) JP5089552B2 (fr)
KR (1) KR100989393B1 (fr)
CN (1) CN101414018B (fr)
TW (1) TWI413807B (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6275934B2 (ja) * 2010-09-17 2018-02-07 日東電工株式会社 光拡散素子、光拡散素子付偏光板、偏光素子、およびこれらを用いた液晶表示装置
EP2431424A3 (fr) 2010-09-21 2014-03-05 Rohm and Haas Company Compositions réfléchissant les ultraviolets
EP2431423A3 (fr) * 2010-09-21 2013-07-10 Rohm and Haas Company Revêtements antireflets
EP2431422A3 (fr) * 2010-09-21 2013-07-10 Rohm and Haas Company Compositions réfléchissant les infrarouges
CN103262257B (zh) 2010-12-17 2016-10-12 罗门哈斯公司 可重复剥除的光伏器件涂层
CN102952462B (zh) 2011-08-25 2016-06-29 罗门哈斯公司 底涂层/透明涂层涂料
AU2012207027B2 (en) 2011-08-25 2013-04-18 Rohm And Haas Company Clear matte coating
EP2586835B1 (fr) 2011-08-25 2019-08-21 Rohm and Haas Company Dispersions aqueuses épaissies et substrat revêtu obtenu à partir de celles-ci
TWI588199B (zh) * 2012-05-25 2017-06-21 羅門哈斯公司 光擴散聚合物組成物、製造該光擴散聚合物組成物的方法以及由之製得的物品
US20140063831A1 (en) * 2012-08-31 2014-03-06 Sabic Innovative Plastics Ip B.V. Methods of making and articles comprising a yellowing resistant polycarbonate composition
TWI522412B (zh) 2013-03-25 2016-02-21 羅門哈斯公司 包裝用途之半透明聚烯烴膜
AR095055A1 (es) * 2013-03-25 2015-09-16 Rohm & Haas Película anti-reflejo para matrices fotovoltaicas
CN104369564B (zh) 2013-08-13 2019-06-11 罗门哈斯公司 具有改善的初始对比度的热记录材料
TWI562891B (en) 2013-09-27 2016-12-21 Rohm & Haas Optical effect coating
EP3079773B1 (fr) * 2013-12-09 2019-04-03 Rohm and Haas Company Compositions de soin de la peau contenant des billes polymères diffusant la lumière
TWI668112B (zh) * 2014-02-11 2019-08-11 美商陶氏全球科技有限責任公司 用於增強聚烯烴薄膜之無光澤外觀的丙烯酸系珠粒
TWI713446B (zh) 2014-04-15 2020-12-21 美商陶氏全球科技有限責任公司 經增強的觸覺反應性及光學半透明性包裝用膜
BR112016029602B1 (pt) * 2014-06-19 2021-08-24 Dow Global Technologies Llc Película de estufa
EP2966131B1 (fr) 2014-07-11 2017-09-27 Dow Global Technologies LLC Compositions de revêtement transparente réfléchissante infrarouge pour revêtements de paroi et de toit élastomère
TW201700506A (zh) 2015-06-19 2017-01-01 羅門哈斯公司 磷酸官能化塗料組合物
CN107849196A (zh) * 2015-07-31 2018-03-27 罗门哈斯公司 用于合成单峰丙烯酸珠粒的寡聚物晶种
TWI753867B (zh) 2015-12-09 2022-02-01 美商羅門哈斯公司 擠壓泡沫塗層
CN107805436B (zh) 2016-09-09 2021-05-07 罗门哈斯公司 酮基官能化聚合物粒子和聚合物珠粒的水性分散液
EP3526296B1 (fr) 2016-10-14 2022-02-23 Dow Global Technologies Llc Compositions de revêtement matte aqueuses
FR3067476B1 (fr) * 2017-06-07 2019-10-18 Saint-Gobain Glass France Ecran de projection de couleur foncee ou noir
AU2018274905B2 (en) 2017-12-13 2024-03-21 Dow Global Technologies Llc Aqueous dispersion of microspheres p-acid functionalized polymer particles
AU2018274908B2 (en) 2017-12-19 2024-02-08 Rohm And Haas Company Aqueous dispersion of polymer particles, microspheres, and polyethylene wax
BR112021005400A2 (pt) 2018-10-24 2021-06-22 Rohm And Haas Company composição de tinta
WO2021062577A1 (fr) 2019-09-30 2021-04-08 Dow Global Technologies Llc Procédé de décapage d'une dispersion aqueuse de billes polymères
AU2020369865A1 (en) 2019-10-21 2022-05-12 Rohm And Haas Company Aqueous composition of organic polymeric microspheres, binder particles, and ion exchange resin
AU2021370472A1 (en) 2020-10-29 2023-06-08 Rohm And Haas Company Low sheen deep base coating composition
CN116964159A (zh) 2021-03-22 2023-10-27 陶氏环球技术有限责任公司 涂料组合物

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0294122A1 (fr) * 1987-06-01 1988-12-07 Sar Realisations Limited Système de présentation avec écran translucide et procédé pour sa fabrication
US5270397A (en) * 1991-06-29 1993-12-14 Rohm Gmbh Material for modifying impact resistance
JPH06347617A (ja) * 1993-06-10 1994-12-22 Nitto Denko Corp 光拡散板及びその製造方法並びに表示装置
WO2001022129A1 (fr) * 1999-09-20 2001-03-29 3M Innovative Properties Company Films optiques possedant au moins une couche contenant des particules
JP2003066430A (ja) * 2001-08-22 2003-03-05 Fuji Photo Film Co Ltd 液晶表示装置
US20040051945A1 (en) * 1998-07-10 2004-03-18 Masaya Adachi Luminous intensity distribution control device and display having the same
US20040233526A1 (en) * 2003-05-22 2004-11-25 Eastman Kodak Company Optical element with nanoparticles
US20060056021A1 (en) * 2004-08-04 2006-03-16 Yeo Terence E Multi-region light scattering element
JP2006084585A (ja) * 2004-09-14 2006-03-30 Seiko Instruments Inc スクリーン及び画像投影システム
WO2007079145A1 (fr) * 2005-12-30 2007-07-12 3M Innovative Properties Company Composite de film optique pour améliorer la brillance comprenant une couche polymère biréfringente
US20070178295A1 (en) * 2003-04-10 2007-08-02 3M Innovative Properties Company Foam security substrate

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GB1405103A (en) 1971-10-18 1975-09-03 Tecalemit Engineering Drive arrangements
BE790700A (fr) 1971-11-18 1973-04-27 Rohm & Haas Perfectionnements aux procedes pour purifier et melanger des polymeres
NO141367C (no) 1976-11-22 1980-02-27 Sintef Framgangsmaate for framstilling av findelte emulsjoner av et litt vannloeselig materiale
US5237004A (en) * 1986-11-18 1993-08-17 Rohm And Haas Company Thermoplastic and thermoset polymer compositions
AU7881291A (en) * 1990-05-21 1991-12-10 Sar Realisations Limited Improvements in or relating to microlens screens, photopolymerisable materials and artifacts utilising the same
KR0185598B1 (ko) * 1994-04-30 1999-05-15 김광호 마이크로 렌즈의 굴절능 조절장치
JP3373106B2 (ja) * 1996-03-27 2003-02-04 株式会社きもと 光学フィルム
US6469830B1 (en) * 1999-04-01 2002-10-22 Honeywell Inc. Display screen and method of manufacture therefor
JP2002214408A (ja) * 2001-01-12 2002-07-31 Fuji Photo Film Co Ltd 光拡散体及び表示装置
WO2003005072A1 (fr) * 2001-06-30 2003-01-16 Skc Co., Ltd. Film diffuseur de lumiere
US7072115B2 (en) * 2002-03-26 2006-07-04 Keiwa Inc. Light diffusion sheet and backlight unit using the same
KR20050060202A (ko) * 2003-12-16 2005-06-22 엘지.필립스 엘시디 주식회사 확산층 및 이를 구비한 액정표시장치
US7453635B2 (en) * 2004-08-10 2008-11-18 Fusion Optix Inc. Imaging material with improved contrast
WO2006026743A1 (fr) * 2004-08-31 2006-03-09 Fusion Optix, Inc. Feuille de diffusion de lumiere amelioree
KR100716143B1 (ko) * 2005-09-05 2007-05-10 도레이새한 주식회사 광확산 필름
WO2007037649A1 (fr) * 2005-09-29 2007-04-05 Skc Haas Display Films Llc. Feuille de diffusion lumineuse d’unité de rétro-éclairage et son procédé de préparation
EP1944342B1 (fr) 2006-03-15 2011-02-23 Rohm and Haas Company Compositions aqueuses comportant des particules polymériques ternes

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0294122A1 (fr) * 1987-06-01 1988-12-07 Sar Realisations Limited Système de présentation avec écran translucide et procédé pour sa fabrication
US5270397A (en) * 1991-06-29 1993-12-14 Rohm Gmbh Material for modifying impact resistance
JPH06347617A (ja) * 1993-06-10 1994-12-22 Nitto Denko Corp 光拡散板及びその製造方法並びに表示装置
US20040051945A1 (en) * 1998-07-10 2004-03-18 Masaya Adachi Luminous intensity distribution control device and display having the same
WO2001022129A1 (fr) * 1999-09-20 2001-03-29 3M Innovative Properties Company Films optiques possedant au moins une couche contenant des particules
JP2003066430A (ja) * 2001-08-22 2003-03-05 Fuji Photo Film Co Ltd 液晶表示装置
US20070178295A1 (en) * 2003-04-10 2007-08-02 3M Innovative Properties Company Foam security substrate
US20040233526A1 (en) * 2003-05-22 2004-11-25 Eastman Kodak Company Optical element with nanoparticles
US20060056021A1 (en) * 2004-08-04 2006-03-16 Yeo Terence E Multi-region light scattering element
JP2006084585A (ja) * 2004-09-14 2006-03-30 Seiko Instruments Inc スクリーン及び画像投影システム
WO2007079145A1 (fr) * 2005-12-30 2007-07-12 3M Innovative Properties Company Composite de film optique pour améliorer la brillance comprenant une couche polymère biréfringente

Also Published As

Publication number Publication date
EP2051112A2 (fr) 2009-04-22
US7768602B2 (en) 2010-08-03
CN101414018A (zh) 2009-04-22
CN101414018B (zh) 2012-09-05
KR100989393B1 (ko) 2010-10-25
KR20090038827A (ko) 2009-04-21
EP2420868A2 (fr) 2012-02-22
EP2051112A3 (fr) 2009-06-24
US20090097123A1 (en) 2009-04-16
TW200923430A (en) 2009-06-01
JP5089552B2 (ja) 2012-12-05
TWI413807B (zh) 2013-11-01
JP2009116318A (ja) 2009-05-28

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